v12.3.0

Core Changes

• Refactor client entry plugin to separate methods.: #39162
• Eliminate path polyfill and incremental-cache from base server: #39548
• Remove precopied styled-jsx: #39520
• Refactor handling of addPageEntry promise: #39547
• Support multiple flush effects: #39559
• Eliminate Amp in Edge runtime: #39560
• Rename page -> entry in on-demand-entry-handler: #39564
• Update .env HMR handling: #39566
• Fix failing switchable runtime deploy test: #39579
• Fix Edge SSR routes: #39594
• Support tsconfig paths without baseurl: #34926
• Enable @typescript-eslint/no-use-before-define for functions: #39602
• Remove minify: false for webpack5 bundle: #39620
• Next Server code refactoring: #39591
• Eliminate path and utils from base server: #39622
• Remove webpack4 types: #39631
• Enable additional TypeScript ESLint rules: #39640
• fix(next/dynamic): handle template literal import path: #39623
• Add comment on slash normalizing in server: #39653
• Refactor base server: #39649
• Add separate entry per layout/page.: #39611
• fix(next-server): Fix priority for edge routes : #39462
• Add todo for dependsOn: #39677
• Improved server CSS handling: #39664
• feat(next-swc): Update swc: #39499
• fix next-app-loader on windows: #39657
• fix(swc/emotion): Correct the SPACE_AROUND_COLON regex: #39710
• fix(#39609): warns about suspense and ssr: #39676
• Use realpath when emitting traced package.json: #39683
• fix(#39706): add avif support for node serve static: #39733
• fix(next): Do not display message when middleware is removed on dev mode: #39604
• refactor(portal): remove useRef from portal component: #39792
• refactor(use-intersection): remove useRef usage: #39791
• allow Edge Functions to stream a compressed fetch response: #39608
• fix meaninglessFileNames type in compiler options schema: #39698
• build: upgrade edge-runtime: #39749
• Update stalled ensure log to use debug instead: #39826
• Skip building /500 in dev mode: #39828
• Fix onError handling in next/future/image: #39824
• Improve error message on next/future/image when objectFit or objectPosition: #39614
• Refactor client CSS imports: #39758
• Ensure moduleResolution is written correctly: #39836
• Fix disposing active entries in dev compilers: #39845
• fix(#39807): ignore width/height from webpack with "fill": #39849
• Add handling for auto installing TypeScript deps and HMRing tsconfig: #39838
• Remove eslint warning when no eslint config is present: #39872
• feat(next/swc): enable wasm first binding load for the platforms: #38883
• Fix next/future/image blur-up placeholder : #39785
• Fix runLintCheck during build: #39883
• Skip auto-install for missing deps in CI: #39882
• Remove un-necessary internal jest-worker error during ts/lint error: #39886
• Bump @vercel/nft@0.22.0: #39906
• Handle edge runtime for app: #39910
• build: upgrade edge-runtime: #39898
• HMR for client CSS imports: #39916
• fix(ts): use AppProps's generic for pageProps: #38867
• Treat non page file as non route under app dir: #39976
• Fix next/future/image incorrectly warning for fill + blur: #39986
• Ensure prefetch heuristic matches with and without middleware: #39920
• feat: add experimental.fallbackNodePolyfills flag: #39248
• Fix incorrect build log for moduleResolution: #39991
• fix(#39993): avoid race condition for next/script onReady: #40002
• Avoid bundling next/script in the server build by default: #40013
• Handle async module for client components: #39953
• Upgrade typescript to 4.8.2: #39979
• Remove Unused SQLite file: #40056
• Update next/future/image to use svg blur placeholder during next dev: #39992
• Remove <noscript> from next/future/image: #40075
• Fix filePath being wrongly stringified: #40070
• Refactor Server Router: #39902
• Update to detect GSSP with edge runtime during build: #40076
• Fix handling with custom _error and pages/500: #40110
• Fix edge rewrite handling: #40115
• Error for ssg and ssr exports from client components in build time: #40106
• feat(next): Support has match and locale option on middleware config: #39257
• Change alt to required in next/future/image: #40136
• Allow port 0 in next dev and next start: #40118
• Update to stable: next/future/image, remotePatterns, unoptimized: #40142
• fix(#40066): preserve error status code from serveStatic: #40128
• fix: detect ESLint config in package.json: #40158
• ignore EEXIST errors when creating symlinks for output standalone: #40150
• Bump @vercel/nft@0.22.1: #40164
• Bump styled-jsx: #40165
• Match data fetch and busting cache key when path URI encodes: #39568
• Updating the Next.js Logo: #40181
• next/script: simplify logic and update tests: #40026
• Bypass empty pages folder for layouts: #40132
• chore: Update swc: #39965
• Fix styled-jsx macro imports: #40234
• Ensure path can be specified for clearPreviewData: #40238
• fix: apply default export interop to next/config: #40224
• Improved route resolution in next-app-loader: #40109
• Add prefetch to new router: #39866
• Update next/future/image to support only width or only height: #40278
• Add experimental proxy timeout option: #40289
• Fix static info parsing when export data fetching method as variable: #40317
• fix(switchable-runtime): make dev server not break when wrong runtime config is exported: #40312
• Revert "Refactor Server Router": #40328
• fix(switchable-runtime): Make it possible to switch between edge and server runtime in dev: #39327
• Revert "Revert "Refactor Server Router" (#40328)" : #40333
• refactor(next/swc): remove unnecessary field in RemoveConsole: #40296
• [edge] fix URLSearchParams lacking data from rewrite: #40260
• fix(lint): disable react/no-unknown-property: #40331
• Update onLoadingComplete for next/future/image to receive reference to <img>: #40326
• Remove warning for swcMinify being enabled: #40359

Documentation Changes

• docs: Rename API middlewares title in sidebar: #39534
• [docs] Avoid next config validation warning: #39554
• Update strategies count to 4: #39610
• Change the React Server Components CTA to the router/layout RFC: #39724
• Add section to next/future/image docs about Known Browser Bugs: #39759
• Update next.js.configs line number: #39802
• Add note about using the /_error page directly to custom error page article: #39671
• Typescript Documentation Improvement for Persistent Layouts: #33659
• Add clarity in docs for using exportPathMap with getStaticPaths: #39813
• Update links to point to more accurate docs: #39818
• Update docs next/future/image with details about computed aspect ratio: #39829
• Mention router.isPreview on Preview Mode page: #39830
• doc: improve a word client side rendering: #39771
• Docs: Updated note about using next/head in basic-features/font-optimization: #39863
• [docs] Fixed 404 links to Layouts RFC blog post: #39937
• Adds note about custom server requirements: #39931
• fix hash-link: #39929
• Mention largePageDataBytes in warning docs: #39941
• Update Font Optimization docs: #39950
• [docs] Update UTM params of some links: #39951
• Revert "Adds note about custom server requirements": #39956
• Update image.md: #39984
• Update script.md: #40017
• [docs] Add precision about pageExtensions: #40016
• Update debugging.md (--dev -> --save-dev for npm): #39998
• docs(testing): add JSDoc typing in jest.config.js: #40090
• docs(image): Use hook inside of function component: #40096
• docs(security-headers): interest-cohort has been replaced by browsing-topics: #40113
• [docs] Functional syntax for _document example in Basic Features: Font Optimization: #40140
• Fix typo in error/middleware-upgrade-guide.md: #40176
• docs: documents middleware matcher: #40180
• docs: update get-static-paths.md: #40205
• Change image sizes docs to use em instead of px: #40288
• Change sizes docs to use max-width in media query: #40290
• docs: fix numbering in middleware docs: #40276
• Update docs for remotePatterns image config: #40350
• docs: fix typo: #40354

Example Changes

• docs(examples): use vercel integration in cms-sanity: #39323
• Typo : #39596
• Update Convex Example: #39562
• Update with-loading example: #39646
• [Docs] Update with-slate example: #39639
• Tweak Convex example: #39739
• examples/with-redux-thunk , update README (#39555): #39712
• [Docs] Update mongodb example: #39658
• Convert with-goober example to TS: #39761
• [docs] Migrate dynamic routing example to typescript: #39806
• Remove unnecessary type reference in Vitest example: #39819
• Update cms-makeswift example: #39834
• Migrate data-fetch example to typescript: #39852
• [Docs] Update examples to favour functional _document: #39871
• chore(with-docker): don't copy package.json twice: #39896
• Prefer function _app component in examples: #39967
• Migrate with-xstate to typescript: #39974
• Use Font Optimization in examples: #39977
• Add local setup info in the with-supabase-auth-realtime-db example's README: #40030
• Remove semi in Convex example: #40052
• Refactored the with-supertokens example to use typescript: #39987
• Add config types to all examples: #40083
• adding with-axiom example: #38300
• Update Convex example to convex 0.1.9: #40162
• Remove extra "d" in comment: #40212
• fix(examples/with-styled-components-babel): list should have unique key: #40215
• Migrate image-component example to typescript: #40204
• ref(with-sentry example): Explicitly set hideSourceMaps: #40079
• Update next-forms example: #40284
• Migrate with-context-api example to typescript: #40297
• Migrate with-react-jss to typescript: #40308
• Update react-remove-properties example: #40307
• Migrate using-preact example to typescript: #40295
• added type to clientPromise in with-mongodb/lib: #40339
• Remove babel from custom-server-typescript example: #40309
• Merge with-mobx-state-tree with with-mobx-state-tree-typescript example: #40306
• Fix image-component example types: #40352

Misc Changes

• Fix preinstall failed in yarn@1.x on FreeBSD with npm@8.17: #39529
• Add edge ssr to pr stats: #39621
• Update test failure logging : #39655
• Update image tests files from *.js to *.ts: #39663
• fix(create-app): support github url has trailing slash: #39665
• Update contributing.md : #39767
• Update ubuntu CI version due to deprecation: #39817
• Leverage VERCEL_CLI_VERSION env for deploy tests: #39823
• Update flakey relay analytics test: #39877
• Added tests for next/router in app directory: #39867
• Fix failing e2e getServerSideProps test: #39885
• Add path to export-page: #39893
• Fix rsc basic e2e test on deploy: #39905
• test: merge edge ssr tests: #39924
• chore: check against npm version in issue validator: #38915
• Increase test concurrency: #39922
• Fix passing VERCEL_CLI_VERSION env for deploy tests: #39946
• test: pin typescript version to 4.7: #39978
• (next/mdx) set providerImportSource to react by default: #39954
• Add test for server CSS imports: #40019
• Update docker image for stats action: #40032
• Update flakey tsconfig test: #40105
• fix: scripts comment typos: #40207
• fix(cli): do not throw error when extracting examples in Node 18+: #40182
• Update to use specific swc version for PR stats: #40237
• fix(cli): delete temp file after extraction: #40259
• Fix test hydration check in Safari 10.1: #40285
• chore: turn off debug mode on issue validator: #40301
• Update README.md

Credits

Huge thanks to @stipsan, @ijjk, @timneutkens, @bennettdams, @shuding, @cherniavskii, @huozhi, @Brooooooklyn, @thatbeautifuldream, @Janpot, @MoosaSaadat, @alexcole, @HaNdTriX, @magic-akari, @balazsorban44, @styfle, @SukkaW, @kdy1, @sokra, @delbaoliveira, @puneetkathar1, @nkzawa, @Schniz, @greebl3, @kasperaamodt, @chaseignited, @masad-frost, @Kikobeats, @davewelsh, @MaedahBatool, @adrianbienias, @michaeloliverx, @arthurdenner, @sumiren, @migueloller, @hanneslund, @wyattjoh, @kwonoj, @boredland, @simongavelin, @esbenam, @theMosaad, @jleclanche, @leerob, @AdilAmanat, @souporserious, @ykdojo, @sanjaiyan-dev, @yoannmoinet, @thomasballinger, @titusdmoore, @jferrettiboke, @Dueen, @dunglas, @KenAKAFrosty, @wbinnssmith, @schehata, @remorses, @visnup, @Nutlope, @yhay81, @hiro0218, @avigoldman, @feugy, @jeferson-sb, @lobsterkatie, @atcastle, @bcheidemann, @Will956, @orionmiz, @S0UPernova, @cvbuelow, and @leonzalion for helping!